<template>
  <el-dialog
    title="新增员工"
    :visible="showDialog"
    top="5vh"
    @close="handleClose"
    @click.native="treeShow=false"
  >
    <!-- @click.native="treeShow=false"点击其他地方隐藏部门tree组件,阻止事件冒泡 -->
    <!-- 表单 -->
    <el-form ref="addForm" :model="formData" :rules="rules" label-width="120px">
      <el-form-item label="姓名" prop="username">
        <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
      </el-form-item>
      <el-form-item label="手机" prop="mobile">
        <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
      </el-form-item>
      <el-form-item label="入职时间" prop="timeOfEntry">
        <el-date-picker v-model="formData.timeOfEntry" style="width:50%" placeholder="请选择入职时间" />
      </el-form-item>
      <el-form-item label="聘用形式" prop="formOfEmployment">
        <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
          <el-option
            v-for="item in hireType"
            :key="item.id"
            :label="item.value"
            :value="item.id"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="工号" prop="workNumber">
        <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
      </el-form-item>
      <el-form-item label="部门" prop="departmentName">
        <el-input
          :value="formData.departmentName"
          style="width:50%"
          placeholder="请选择部门"
          @click.native.stop="handleClick"
        />
        <div v-if="treeShow" class="tree-box">
          <!-- 这里需要单项数据绑定,数据=>视图 -->
          <el-scrollbar>
            <el-tree
              v-loading="loading"
              :data="treeData"
              :props="{label:'name'}"
              @node-click="handleNodeClick"
            />
          </el-scrollbar>
        </div>
      </el-form-item>
      <el-form-item label="转正时间" prop="correctionTime">
        <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
      </el-form-item>
    </el-form>
    <!-- footer插槽 -->
    <template #footer>
      <el-button @click="handleClose">取消</el-button>
      <el-button type="primary" @click="handleSubmit">确定</el-button>
    </template>
  </el-dialog>
</template>

<script>
import obj from '@/constant/employees'
import { reqGetDepartments } from '@/api/department'
import { transListToTreeData } from '@/utils'
import { reqAddEmployee } from '@/api/employees'
// const { hireType } = obj
export default {
  props: {
    showDialog: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: ['blur', 'change'] },
          { min: 1, max: 4, message: '用户姓名为1-4位', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: ['blur', 'change'] },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: ['blur', 'change'] }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: ['blur', 'change'] }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: ['blur', 'change'] }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: ['blur', 'change'] }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: ['blur', 'change'] }
        ]
      },
      treeData: [],
      hireType: obj.hireType,
      treeShow: false, // 树形部门的显示与隐藏
      loading: false// 树形部门的加载效果
    }
  },
  methods: {
    handleClose() {
      this.$emit('update:showDialog', false)
      // 重置表单
      this.$refs.addForm.resetFields()
    },
    async handleClick() {
      // 点击显示tree结构显示隐藏
      this.treeShow = !this.treeShow
      // 隐藏的时候不发请求
      if (!this.treeShow) return
      this.loading = true
      const { data: { depts }} = await reqGetDepartments()
      // console.log(res)
      this.treeData = transListToTreeData(depts, '')
      console.log(this.treeData)
      this.loading = false
    },
    handleNodeClick(data) {
      // 表示你有叶子组件此时,不应该被选择
      if (data.children) return
      // 拿到部门名称,显示在input
      console.log(data)
      this.formData.departmentName = data.name
      // 关闭tree
      this.treeShow = false
    },
    handleSubmit() {
      // 整体校验=>发请求=>提示用户=>关闭弹窗=>重新渲染
      this.$refs.addForm.validate(async flag => {
        if (!flag) return
        await reqAddEmployee(this.formData)
        this.$message.success('添加员工成功')
        this.handleClose()
        // 标准字传父
        this.$emit('refresh')
        // this.$parent会受到插槽的影响
        // this.$parent.getUserList()
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.tree-box {
  position: absolute;
  width: 50%;
  // min-height: 50px;
  // max-height: 250px;
  height: 250px;
  left: 0;
  top: 45px;
  z-index: 100;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding-right: 5px;
  overflow: auto;
  background-color: #fff;

  ::v-deep {
    .el-tree-node__content {
      height: auto;
    }
     .el-scrollbar {
      height: 100%;
    }
    .el-scrollbar__wrap {
      overflow-x: hidden;
    }
  }
}
</style>

